/*
 * Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @assertion It is a compile-time error if arity of the user-declared operator
 * []= is not 2.
 * @description Checks that a compile-time error is produced if a user-defined
 * operator []= specifies a single parameter.
 * @compile-error
 * @author iefremov
 * @reviewer pagolubev
 * @reviewer rodionov
 */

class C {
  operator []=(var index) {}
}

main() {
  try {
    new C()[0] = new C();
  } catch (ex) {}
}
